package com.chapter11.chap_exercise.Test07;

public class Test07 {
    public static void main(String[] args) {
        Car car = new Car(50.0);

        (car.air()).monitor();

        Car car1 = new Car(-10);
        car1.air().monitor();

        Car car2 = new Car(20);
        car2.air().monitor();

    }
}


